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Progressive Suspension - 11-1120 - Front Fork Springs - 23.00 mmFeaturesProgressive springs offer a soft initial spring rate for a plush rideProgressively wound design provides increased resistance...

Progressive Suspension - 412-4030C - 412 Series Shock - 11" - Standard - Chrome - H-DFeaturesDesigned specifically for Harley modelsThe 412's simple, durable design makes them a cost effective...

Progressive Suspension - 412-4013C - 412 Series Shock - 12" - Standard - Chrome - H-DFeaturesDesigned specifically for Harley modelsThe 412's simple, durable design makes them a cost effective...

S&S Cycle - 33-4275 - 4 Gear Cam Gear Drive Kit - Twin CamFeaturesA four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two secondary cam gears, outer...

S&S Cycle - 33-5175 - Cam Install Kit - Chain Drive Features Kits include all required parts needed when servicing or changing gear- or chain-drive cams in a Twin Cam motor Made in the U.S.A...

S&S Cycle - 33-5058 - Camshaft - 600 - Evolution Big Twin Features S&S Cams are tested on the dyno, street and track before being offered to the public With hundreds of hours of testing on each...

S&S Cycle - 33-5076 - Camshaft - 561 - Evolution Big Twin Features S&S Cams are tested on the dyno, street and track before being offered to the public With hundreds of hours of testing on each...

S&S Cycle - 33-5073 - Camshaft - 520 - Evolution Big Twin Features S&S Cams are tested on the dyno, street and track before being offered to the public With hundreds of hours of testing on each...

S&S Cycle - 92-1200 - Piston Kit - For 95" Big Bore Kit - 3.875" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade...

Pro-One Perf.Mfg. - 600239 - Brake Rotor - 11.5" - RearFeaturesHighly polished 11.5" rotors with directional holesSpecs

Pro-One Perf.Mfg. - 600259 - Brake Rotor - 11.5" - RearFeaturesHighly polished 11.5" rotors with directional holesSpecs

Pro-One Perf.Mfg. - 600249 - Brake Rotor - 11.5" - FrontFeaturesHighly polished 11.5" rotors with directional holesSpecs

Progressive Suspension - 412-4035C - 412 Series Shock - 12" - Standard - Chrome - H-DFeaturesDesigned specifically for Harley modelsThe 412's simple, durable design makes them a cost effective...

S&S Cycle - 33-4146 - Pinion GearFeaturesHigh-quality pinion gears are carefully machined, heat-treated and then finish groundMade in the U.S.A.Specs

S&S Cycle - 31-0000 - Engine Case -Super Stock® - 3.500" - Evolution Big TwinFeatures3.5" stock bore cylinder case for any stroke up to and including 5" and most stock length connecting rodsMachined...

S&S Cycle - 33-4144 - Pinion GearFeaturesHigh-quality pinion gears are carefully machined, heat-treated and then finish groundMade in the U.S.A.Specs

S&S Cycle - 33-4260 - Breather Gear - +.030"FeaturesKit comes with gear and spacerRequire the use of corresponding cam and pinion gearMade in the U.S.A.Specs

S&S Cycle - 31-0001 - Engine Case - Super Stock® Big Bore - 3.625" - Evolution Big TwinFeatures3.625" big bore cylinder case for any stroke up to and including 5" and most stock length connecting...

S&S Cycle - 31-0005 - Engine Case - Super Stock® - 3.500" - Evolution Big TwinFeatures3.5" stock bore cylinder case for any stroke up to and including 5" and most stock length connecting rodsMachined...

S&S Cycle - 33-4145 - Pinion GearFeaturesHigh-quality pinion gears are carefully machined, heat-treated and then finish groundMade in the U.S.A.Specs

S&S Cycle - 33-4143 - Pinion GearFeaturesHigh-quality pinion gears are carefully machined, heat-treated and then finish groundMade in the U.S.A.Specs

S&S Cycle - 33-4232 - Oil Pump Drive Gear Features Must be used as a set or with OEM equivalents Made in the U.S.A. Specs

S&S Cycle - 33-4250 - Steel Breather GearFeaturesKit comes with gear and spacerRequire the use of corresponding cam and pinion gearMade in the U.S.A.Replacement Part for OEM Number(s):...

S&S Cycle - 33-4230 - Oil Pump Drive Gear 24 ToothFeaturesHardware, check balls, retainers, etc. are available for Big Twin oil pumpsSpecs

S&S Cycle - 34-7013 - Connecting Rod - EvolutionFeaturesHigh-quality, heavy duty rod sets come complete and ready to installSet includes front and rear rods, crankpin and nuts, steel cages and roller...

S&S Cycle - 90-4049 - Rocker Box Gasket KitFeaturesIncludes all required gaskets and O-rings for both rocker boxesSpecs

S&S Cycle - 90-4073 - Rocker Box Gasket - Big TwinFeaturesIncludes all required gaskets and O-rings for both rocker boxesSpecs

S&S Cycle - 11-0442 - Super E Carburetor Kit - Evolution Big TwinFeaturesKit includes a carburetor with updated fuel delivery pots and idle screws, teardrop air cleaner assembly, mounting hardware,...

S&S Cycle - 11-0440 - Super E Carburetor Kit - Evolution Big TwinFeaturesKit includes a carburetor with updated fuel delivery pots and idle screws, teardrop air cleaner assembly, mounting hardware,...

S&S Cycle - 92-1412 - Piston Kit - For 113" Super Sidewinder® - 4.000" - +0.020"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...

S&S Cycle - 92-1411 - Piston Kit - For 113" Super Sidewinder® - 4.000" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...

S&S Cycle - 92-1061 - Piston Kit - For 88"/93"/96" Super Stock® Heads - 3.625" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...

S&S Cycle - 92-1410 - Piston Kit - For 113" Super Sidewinder® - 4.000" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...

S&S Cycle - 92-1402 - Piston Kit - For 100"/107" Super Sidewinder® - 4.000" - +0.020"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...

S&S Cycle - 92-1401 - Piston Kit - For 100"/107" Super Sidewinder® - 4.000" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...

S&S Cycle - 92-1400 - Piston Kit - For 100"/107" Super Sidewinder® - 4.000" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...

S&S Cycle - 92-1062 - Piston Kit - For 88"/93"/96" Super Stock® Heads - 3.625" - +0.020"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...

S&S Cycle - 92-1060 - Piston Kit - For 88"/93"/96" Super Stock® Heads - 3.625" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...

S&S Cycle - 90-9507 - Top End Gasket Kit - 3.5" - EVO Big TwinFeaturesContains the best quality gasketsMade in the USATop-end gasket kit do not include rocker box gaskets; must be purchased...

S&S Cycle - 90-9506 - Top End Gasket Kit - 4-1/8" - EVO Big TwinFeaturesContains the best quality gasketsMade in the USATop-end gasket kit do not include rocker box gaskets; must be purchased...